JPH0379212U - - Google Patents
Info
- Publication number
- JPH0379212U JPH0379212U JP13876389U JP13876389U JPH0379212U JP H0379212 U JPH0379212 U JP H0379212U JP 13876389 U JP13876389 U JP 13876389U JP 13876389 U JP13876389 U JP 13876389U JP H0379212 U JPH0379212 U JP H0379212U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- grooves
- torsion
- depth
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13876389U JPH0379212U (no) | 1989-11-30 | 1989-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13876389U JPH0379212U (no) | 1989-11-30 | 1989-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0379212U true JPH0379212U (no) | 1991-08-13 |
Family
ID=31685843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13876389U Pending JPH0379212U (no) | 1989-11-30 | 1989-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0379212U (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020062735A (ja) * | 2018-10-19 | 2020-04-23 | 松本 武雄 | 穴開け工具 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6135715B2 (no) * | 1977-02-02 | 1986-08-14 | Hitachi Ltd | |
| JPS62188614A (ja) * | 1986-02-12 | 1987-08-18 | Mitsubishi Metal Corp | ドリル |
-
1989
- 1989-11-30 JP JP13876389U patent/JPH0379212U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6135715B2 (no) * | 1977-02-02 | 1986-08-14 | Hitachi Ltd | |
| JPS62188614A (ja) * | 1986-02-12 | 1987-08-18 | Mitsubishi Metal Corp | ドリル |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020062735A (ja) * | 2018-10-19 | 2020-04-23 | 松本 武雄 | 穴開け工具 |